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2 Μαρ 2016 · You can't dictate the data type for the output column of a view. The best you can do is as @buckley suggested - use CAST or CONVERT to force an explicit data type inline in the view definition. –
To change the data type of a column in a table, use the following syntax: SQL Server / MS Access: ALTER TABLE table_name. ALTER COLUMN column_name datatype; My SQL / Oracle (prior version 10G): ALTER TABLE table_name. MODIFY COLUMN column_name datatype; Oracle 10G and later: ALTER TABLE table_name.
The basic syntax for the ALTER VIEW statement is as follows: ALTER VIEW view_name AS SELECT columns FROM tables WHERE conditions; Here, view_name is the name of the view that you want to alter. The SELECT statement following the AS keyword defines the new query that will be used to redefine the view. You can change the columns selected, add new ...
28 Φεβ 2023 · To modify table data through a view. In Object Explorer, expand the database that contains the view and then expand Views. Right-click the view and select Edit Top 200 Rows. You may need to modify the SELECT statement in the SQL pane to return the rows to be modified.
ALTER VIEW [ schema_name . ] view_name [ ( column [ ,...n ] ) ] [ WITH <view_attribute> [ ,...n ] ] AS select_statement [ WITH CHECK OPTION ] [ ; ] <view_attribute> ::= { [ ENCRYPTION ] [ SCHEMABINDING ] [ VIEW_METADATA ] }
5 Μαρ 2020 · This article is about creating and modifying views in SQL Server using the CREATE VIEW SQL statement with an explanation of the ALTER VIEW command used to modify an existing view and change the output
SQL Server allows you to perform the following changes to an existing column of a table: Modify the data type. Change the size. Add a NOT NULL constraint. Modify column’s data type. To modify the data type of a column, you use the following statement: ALTER TABLE table_name . ALTER COLUMN column_name new_data_type(size);
